发现警报:发光云层表明发生了宇宙碰撞
科学家们发现,两颗巨大的系外行星发生灾难性碰撞后产生的发光云团遮蔽了一颗恒星。
科学家们发现,两颗巨大的系外行星发生灾难性碰撞后产生的发光云团遮蔽了一颗恒星。
一颗新发现的“超级地球”位于其母星的宜居带,可能有一个大小与地球差不多的伴星。
2024年1月26日 Epsilon Tauri: Star with Planet Image Credit & Copyright: Reg Pratt Explanation: Epsilon Tauri lies 146 light-years away. A K-type red giant star, epsilon Tau is cooler than the Sun, but with about 13 times the solar radius it has nearly 100 times the solar luminosity. A member of the Hyades open star cluster the giant star is known by the pro...
2023年9月20日 Methane Discovered on Distant Exoplanet Illustration Credit: Ahmad Jabakenji (ASU Lebanon, North Star Space Art); Data: NASA, ESA, CSA, JWST Explanation: Where else might life exist? One of humanity’s great outstanding questions, locating planets where extrasolar life might survive took a step forward in 2019 with the discovery of a signific...
一颗年轻的行星绕着一颗暴躁的红矮星旋转,它的轨道正在以不可预测的方式变化。
NASA的詹姆斯·韦伯太空望远镜的MIRI(中红外仪器)进行的新测量发现,该系统的内盘距离恒星不到1亿英里(1.6亿公里),可能是岩质类地行星形成的区域发现了水蒸气。(地球的轨道距离太阳9,300万英里。)
2023年6月6日 Star Eats Planet Illustrative Video Credit: K. Miller & R. Hurt (Caltech, IPAC) Explanation: It’s the end of a world as we know it. Specifically, the Sun-like star ZTF SLRN-2020 was seen eating one of its own planets. Although many a planet eventually dies by spiraling into their central star, the 2020 event, involving a Jupiter-like planet, w...
天文学家发现了一颗地球大小的系外行星,或者说是太阳系以外的行星,它可能布满了火山。
一个科学团队对“迷你海王星”的大气层有了新的了解,这是星系中常见的一类行星,但我们对它知之甚少。
2023年5月11日 Fomalhaut’s Dusty Debris Disk Image Credit: NASA, ESA, CSA, Processing: András Gáspár (Univ. of Arizona), Alyssa Pagan (STScI), Science: A. Gáspár (Univ. of Arizona) et al. Explanation: Fomalhaut is a bright star, a 25 light-year voyage from planet Earth in the direction of the constellation Piscis Austrinus. Astronomers first noticed Fomalh...